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Article: Wettability decay in an oil-contaminated waste-mineral mixture with dry-wet cycles

TitleWettability decay in an oil-contaminated waste-mineral mixture with dry-wet cycles
Authors
Issue Date2015
PublisherSpringer. The Journal's web site is located at http://www.springer.com/earth+sciences/geology/journal/12665
Citation
Environmental Earth Sciences, 2015, v. 74 n. 3, p. 2563-2569 How to Cite?
AbstractThe dependency of soil particle wettability on soil water content implies that soils subjected to drying-wetting cycles become wettable with wetting and water repellent with drying. While this has been demonstrated widely, the results are contradictory when water repellent soils are subjected to a sequence of cycles. Added to this, past wettability measurements were seldom done in batches of samples collected from the field at natural or dry water contents, with little appreciation that slight particle size variations, different drying-wetting histories and fabric (as required by different wettability measurement methods) may alter the results. This note presents soil particle wettability—soil water content relations by means of an index test following staged drying and wetting paths over a period of 8 months for an untreated, oil-contaminated anthropogenic soil (a mixture of slag, coal particles, fly ash and mineral particles) from Barry Docks (UK), a site formally used for oil storage, which is to be remediated and redeveloped for housing. The results revealed a decrease in the water repellency and increasing mineralization and bacterial activity with the wetting and drying cycles.
Persistent Identifierhttp://hdl.handle.net/10722/210705
ISSN
2014 Impact Factor: 1.765
2015 SCImago Journal Rankings: 0.755

 

DC FieldValueLanguage
dc.contributor.authorNunes Lourenco, SD-
dc.contributor.authorWakefield, CF-
dc.contributor.authorMorley, CP-
dc.contributor.authorDoerr, SH-
dc.contributor.authorBryant, R-
dc.date.accessioned2015-06-23T05:47:54Z-
dc.date.available2015-06-23T05:47:54Z-
dc.date.issued2015-
dc.identifier.citationEnvironmental Earth Sciences, 2015, v. 74 n. 3, p. 2563-2569-
dc.identifier.issn1866-6280-
dc.identifier.urihttp://hdl.handle.net/10722/210705-
dc.description.abstractThe dependency of soil particle wettability on soil water content implies that soils subjected to drying-wetting cycles become wettable with wetting and water repellent with drying. While this has been demonstrated widely, the results are contradictory when water repellent soils are subjected to a sequence of cycles. Added to this, past wettability measurements were seldom done in batches of samples collected from the field at natural or dry water contents, with little appreciation that slight particle size variations, different drying-wetting histories and fabric (as required by different wettability measurement methods) may alter the results. This note presents soil particle wettability—soil water content relations by means of an index test following staged drying and wetting paths over a period of 8 months for an untreated, oil-contaminated anthropogenic soil (a mixture of slag, coal particles, fly ash and mineral particles) from Barry Docks (UK), a site formally used for oil storage, which is to be remediated and redeveloped for housing. The results revealed a decrease in the water repellency and increasing mineralization and bacterial activity with the wetting and drying cycles.-
dc.languageeng-
dc.publisherSpringer. The Journal's web site is located at http://www.springer.com/earth+sciences/geology/journal/12665-
dc.relation.ispartofEnvironmental Earth Sciences-
dc.rightsThe final publication is available at Springer via http://dx.doi.org/10.1007/s12665-015-4276-z-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleWettability decay in an oil-contaminated waste-mineral mixture with dry-wet cycles-
dc.typeArticle-
dc.identifier.emailNunes Lourenco, SD: lourenco@hku.hk-
dc.identifier.authorityNunes Lourenco, SD=rp01872-
dc.description.naturepostprint-
dc.identifier.doi10.1007/s12665-015-4276-z-
dc.identifier.hkuros243933-
dc.identifier.volume74-
dc.identifier.issue3-
dc.identifier.spage2563-
dc.identifier.epage2569-
dc.publisher.placeGermany-

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